Female Weld On Bung, -4 Orb 7/16"-20 Thread, Aluminium

the Aeroflow performance line of premium quality weld-in bungs are cnc machinedfrom solid aluminium billet (6061), cs1030 steel or 316 stainless steel. These female orb weld on fittings have a machined stepped surface for the perfect O-ring seal. Applications include, but are not limited to: oil or fuel tanks, radiators, valve covers, manifolds and rear axle housings.